September weather forecast and climate
Valentine, NE

Weather in September

The first month of the autumn, September, is still a warm month in Valentine, Nebraska, with average temperature ranging between max 77.4°F (25.2°C) and min 47.5°F (8.6°C).

Temperature

In September, the average high-temperature decreases, from a tropical 87.1°F (30.6°C) in August, to a warm 77.4°F (25.2°C). In September, the average low-temperature is 47.5°F (8.6°C).

Humidity

With an average relative humidity of 54.5%, September is the least humid month.

Rainfall

In Valentine, during September, the rain falls for 7.1 days and regularly aggregates up to 1.64" (41.7mm) of precipitation. Throughout the year, there are 87.9 rainfall days, and 20.02" (508.6mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.7" (17.8mm) of snow. Throughout the year, there are 22.3 snowfall days, and 33.3" (845.7mm) of snow is accumulated.

Daylight

In Valentine, the average length of the day in September is 12.5h.

Sunshine

In Valentine, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high threat to health from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 6 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the least humid month in Valentine?

September is the least humid month, with an average relative humidity of 54.5%.

What is the average humidity in September in Valentine?

In Valentine, the average relative humidity in September is 54.5%.

How much does it rain in Valentine in September?

In September, in Valentine, Nebraska, the rain falls for 7.1 days. Throughout September, 1.64" (41.7mm) of precipitation is accumulated.

When does it start snowing in Valentine?

September is the first month it typically snows in Valentine. Throughout September, in the average 0.1 snowfall days, it receives 0.7" (17.8mm) of snow.

How many hours of daylight does Valentine have in September?

In September, the average length of the day in Valentine, Nebraska, is 12.5h.

How long on average sun shines in September in Valentine?

In Valentine, Nebraska, the average sunshine in September is 8.8h.

What is the UV index reading in September in Valentine?

The average daily maximum UV index in September in Valentine, Nebraska, is 6. A UV Index reading of 6 to 7 represents a high health risk from unsafe exposure to the Sun's UV rays.

Average temperature in September
Valentine, NE

Average temperature in September - Valentine, NE
  • Average high temperature in September: 25.2°C

The warmest month (with the highest average high temperature) is July (31.5°C).
The month with the lowest average high temperature is January (2.5°C).

  • Average low temperature in September: 8.6°C

The month with the highest average low temperature is July (15.8°C).
The coldest month (with the lowest average low temperature) is January (-11.8°C).

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Average humidity in September
Valentine, NE

Average humidity in September - Valentine, NE
  • Average humidity in September: 54.5%

The month with the highest relative humidity is February (64.6%).
The month with the lowest relative humidity is September (54.5%).

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Average rainfall in September
Valentine, NE

Average rainfall in September - Valentine, NE
  • Average rainfall in September: 41.7mm

The wettest month (with the highest rainfall) is June (90.4mm).
The driest month (with the least rainfall) is January (6.6mm).

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Average rainfall days in September
Valentine, NE

Average rainfall days in September - Valentine, NE
  • Average rainfall days in September: 7.1 days

The month with the highest number of rainy days is May (11.4 days).
The month with the least rainy days is January (3.9 days).

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Average snowfall in September
Valentine, NE

Average snowfall in September - Valentine, NE
  • Average snowfall in September: 17.8mm

The month with the highest snowfall is March (165.1mm).
Months with the least snowfall are June, July and August (0mm).

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Average snowfall days in September
Valentine, NE

Average snowfall days in September - Valentine, NE
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is March (4.6 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in September /
Average sunshine in September
Valentine, NE

Average daylight in September / Average sunshine in September - Valentine, NE
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is July (Average sunshine: 11.3h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average UV index in September
Valentine, NE

Average UV index in September - Valentine, NE
  • Average UV index in September: 6

Months with the highest UV index are June and July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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